21813756

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25603}}^1$

素因数の和:25681

約数の個数: 24

約数和(自身を含む): 51617664

約数和(自身を除く): 29803908

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25603, 51206, 76809, 102412, 153618, 307236, 1817813, 3635626, 5453439, 7271252, 10906878, 21813756]

約数ペア:

[(1, 21813756), (2, 10906878), (3, 7271252), (4, 5453439), (6, 3635626), (12, 1817813), (71, 307236), (142, 153618), (213, 102412), (284, 76809), (426, 51206), (852, 25603)]